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path: root/sphinx/builders/htmlhelp.py
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-rw-r--r--sphinx/builders/htmlhelp.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/sphinx/builders/htmlhelp.py b/sphinx/builders/htmlhelp.py
index 2f06cb0e1..f4003c4c9 100644
--- a/sphinx/builders/htmlhelp.py
+++ b/sphinx/builders/htmlhelp.py
@@ -299,7 +299,7 @@ class HTMLHelpBuilder(StandaloneHTMLBuilder):
write_index(subitem[0], subitem[1], [])
f.write('</UL>')
for (key, group) in index:
- for title, (refs, subitems) in group:
+ for title, (refs, subitems, key_) in group:
write_index(title, refs, subitems)
f.write('</UL>\n')
finally: